Trailer hitch cover



FIG. 1 is a front perspective view of a trailer hitch cover, showing mynew design; and,

FIG. 2 is a rear perspective view thereof.

The surface(s) or portion(s) of the article not shown in the drawing ordescribed in the specification form(s) no part of the claimed design.

The broken line showing of environment is for illustrative purposes onlyand forms no part of the claimed design.

The ornamental design for a trailer hitch cover, as shown and described.